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30523633742 = 2748715672857
BaseRepresentation
bin11100011011010110…
…011011000001001110
32220210020121020211102
4130123112123001032
51000003022234432
622004455223102
72130255414560
oct343326330116
986706536742
1030523633742
1111a43882898
125aba377a92
132b55a03554
141697bd3330
15bd9aae962
hex71b59b04e

30523633742 has 32 divisors (see below), whose sum is σ = 52485500928. Its totient is φ = 13041798336.

The previous prime is 30523633687. The next prime is 30523633747. The reversal of 30523633742 is 24733632503.

It is a junction number, because it is equal to n+sod(n) for n = 30523633696 and 30523633705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30523633747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10682378 + ... + 10685234.

It is an arithmetic number, because the mean of its divisors is an integer number (1640171904).

Almost surely, 230523633742 is an apocalyptic number.

30523633742 is a deficient number, since it is larger than the sum of its proper divisors (21961867186).

30523633742 is a wasteful number, since it uses less digits than its factorization.

30523633742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920.

The product of its (nonzero) digits is 272160, while the sum is 38.

The spelling of 30523633742 in words is "thirty billion, five hundred twenty-three million, six hundred thirty-three thousand, seven hundred forty-two".

Divisors: 1 2 7 14 487 974 1567 2857 3134 3409 5714 6818 10969 19999 21938 39998 763129 1391359 1526258 2782718 4476919 5341903 8953838 9739513 10683806 19479026 31338433 62676866 2180259553 4360519106 15261816871 30523633742